EN 60811-1-3:1995 電纜絕緣和護套材料通用試驗方法第1部分：一般應用第 3 節吸水試驗-收縮試驗的密度測定方法
Insulating and Sheathing Materials of Electric Cables Common Test Methods Part 1: General Application Section 3. Methods for Determining the Density Water Absorption Tests - Shrinkage Test